inlock

Etymology
From.

Verb

 * 1)  To lock in.
 * 2)  To enclose.

Noun

 * 1) A locking in.
 * 2) * 1898, The Western dental journal:
 * The lower jaw slides forward on account of the inlock of these upper teeth.
 * 1) That which is locked in.
 * 2) An inner or interior lock.
 * 3)  Any corner or part of a common field plowed up and sowed with oats, etc. and sometimes fenced in with a dry hedge while the lave of the field lies fallow and common.